University of Groningen
Effects of age and fatigue on human gait
Rocha dos Santos, Paulo C.
DOI:
10.33612/diss.133403956
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Document Version
Publisher's PDF, also known as Version of record
Publication date:
2020
Link to publication in University of Groningen/UMCG research database
Citation for published version (APA):
Rocha dos Santos, P. C. (2020). Effects of age and fatigue on human gait. University of Groningen.
https://doi.org/10.33612/diss.133403956
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PROPOSITIONS
Belonging to the thesis
Effects of age and fatigue on human gait
Paulo Cezar Rocha dos SantosGroningen, 7 October 2020
1. Muscle and mental fatigability minimally affected the stride outcomes of treadmill walking in younger and older adults. (this Thesis)
2. Treadmill pace may be minimizing any potential effects of fatigability on stride outcomes. (this Thesis)
3. Mental fatigability seemed to affect stride outcomes in gait conditions demanding higher cognitive involvement, such as in dual-task walking.
4. Despite several studies using repetitive sit-to-stand task to induce muscle fatigability, how this task affects muscle activation is still unexplored. (this Thesis)
5. Older adults minimized the failure in muscle activation, and voluntary force, by performing fewer repetitive sit-to-stand trials. (this Thesis)
6. Repetitive sit-to-stand provided limited scope to probe the age-effects on stride outcomes in gait and posture. (this Thesis) 7. Even with limited effect, repetitive sit-to-stand task induces
age-specific adaptation in the neural drive, which could be interpreted as compensation for fatigue to maintain gait performance. (this Thesis)
8. “It is a strange fancy to suppose that science can bring reason to an
irrational world, when all it can ever do is give another twist to a normal madness.” (John Gray)
9. “An expert is a person who has made all the mistakes that can be made
